Amplifier

Details Amplifier Amplifier

2005-06-21

2005-06-21

Nguyen, Khanh V. (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including differential amplifier

C330S264000, C330S269000

Reexamination Certificate

active

06909327

ABSTRACT:
An amplifier has a p-type and an n-type difference transistor pairs providing respective outputs, and is adapted to provide the outputs of the pairs in an integrated form. When the level of the input signal is below a predetermined level, only the p-type difference transistor pair is activated, and when the level of the input signal is higher than the predetermined level, the n-type difference transistor pair is also activated. The amplifier has an expanded dynamic range with a suppressed noise level.

REFERENCES:
patent: 5371474 (1994-12-01), Wassenaar et al.
patent: 5631607 (1997-05-01), Huijsing et al.
patent: 5714906 (1998-02-01), Motamed et al.
patent: 6124760 (2000-09-01), Hong

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